本文整理了Java中sun.misc.Unsafe.compareAndSwapInt()方法的一些代码示例，展示了Unsafe.compareAndSwapInt()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Unsafe.compareAndSwapInt()方法的具体详情如下：
包路径：sun.misc.Unsafe
类名称：Unsafe
方法名：compareAndSwapInt

Unsafe.compareAndSwapInt介绍

[英]Performs a compare-and-set operation on an int field within the given object.
[中]对给定对象内的int字段执行比较和设置操作。

代码示例

代码示例来源：origin: google/guava

/** CASes the busy field from 0 to 1 to acquire lock. */
final boolean casBusy() {
 return UNSAFE.compareAndSwapInt(this, busyOffset, 0, 1);
}

代码示例来源：origin: google/guava

/** CASes the busy field from 0 to 1 to acquire lock. */
final boolean casBusy() {
 return UNSAFE.compareAndSwapInt(this, busyOffset, 0, 1);
}

代码示例来源：origin: prestodb/presto

/** CASes the busy field from 0 to 1 to acquire lock. */
final boolean casBusy() {
 return UNSAFE.compareAndSwapInt(this, busyOffset, 0, 1);
}

代码示例来源：origin: prestodb/presto

/** CASes the busy field from 0 to 1 to acquire lock. */
final boolean casBusy() {
 return UNSAFE.compareAndSwapInt(this, busyOffset, 0, 1);
}

代码示例来源：origin: redisson/redisson

@Override
public boolean compareAndSwapInt(long offset, int expect, int newVal) {
  return unsafe.compareAndSwapInt(base,off+offset,expect,newVal);
}

代码示例来源：origin: redisson/redisson

@Override
public boolean compareAndSwapInt(long offset, int expect, int newVal) {
  return unsafe.compareAndSwapInt(null, baseAdress + offset, expect, newVal);
}

代码示例来源：origin: springside/springside4

/**
 * CASes the busy field from 0 to 1 to acquire lock.
 */
final boolean casBusy() {
  return UNSAFE.compareAndSwapInt(this, busyOffset, 0, 1);
}

代码示例来源：origin: vipshop/vjtools

/**
 * CASes the busy field from 0 to 1 to acquire lock.
 */
final boolean casBusy() {
  return UNSAFE.compareAndSwapInt(this, busyOffset, 0, 1);
}

代码示例来源：origin: alibaba/Sentinel

/**
 * CASes the busy field from 0 to 1 to acquire lock.
 */
final boolean casBusy() {
  return UNSAFE.compareAndSwapInt(this, busyOffset, 0, 1);
}

代码示例来源：origin: ben-manes/caffeine

/** CASes the tableBusy field from 0 to 1 to acquire lock. */
final boolean casTableBusy() {
 return UnsafeAccess.UNSAFE.compareAndSwapInt(this, TABLE_BUSY, 0, 1);
}

代码示例来源：origin: google/j2objc

/** CASes the busy field from 0 to 1 to acquire lock. */
final boolean casBusy() {
 return UNSAFE.compareAndSwapInt(this, busyOffset, 0, 1);
}

代码示例来源：origin: google/j2objc

/** CASes the busy field from 0 to 1 to acquire lock. */
final boolean casBusy() {
 return UNSAFE.compareAndSwapInt(this, busyOffset, 0, 1);
}

代码示例来源：origin: ben-manes/caffeine

boolean casDrainStatus(int expect, int update) {
  return UnsafeAccess.UNSAFE.compareAndSwapInt(this, DRAIN_STATUS_OFFSET, expect, update);
 }
}

代码示例来源：origin: alibaba/jstorm

/**
 * CASes the busy field from 0 to 1 to acquire lock.
 */
final boolean casBusy() {
  return UNSAFE.compareAndSwapInt(this, busyOffset, 0, 1);
}

代码示例来源：origin: PipelineAI/pipeline

/**
 * CASes the busy field from 0 to 1 to acquire lock.
 */
final boolean casBusy() {
  return UNSAFE.compareAndSwapInt(this, busyOffset, 0, 1);
}

代码示例来源：origin: h2oai/h2o-2

/**
 * Adds (atomically) the given value to the pending count.
 *
 * @param delta the value to add
 */
public final void addToPendingCount(int delta) {
  int c; // note: can replace with intrinsic in jdk8
  do {} while (!U.compareAndSwapInt(this, PENDING, c = pending, c+delta));
}

代码示例来源：origin: h2oai/h2o-2

public void setMin( float min ) {
 int imin = Float.floatToRawIntBits(min);
 float old = _min2;
 while( min < old && !_unsafe.compareAndSwapInt(this, _min2Offset, Float.floatToRawIntBits(old), imin ) )
  old = _min2;
}
// Find Inclusive _max2

代码示例来源：origin: jersey/jersey

/**
 * Acquires write lock for tree restructuring.
 */
private final void lockRoot() {
  if (!U.compareAndSwapInt(this, LOCKSTATE, 0, WRITER))
    contendedLock(); // offload to separate method
}

代码示例来源：origin: jersey/jersey

/**
 * Acquires write lock for tree restructuring.
 */
private final void lockRoot() {
  if (!U.compareAndSwapInt(this, LOCKSTATE, 0, WRITER))
    contendedLock(); // offload to separate method
}

代码示例来源：origin: h2oai/h2o-2

static public void setMax( float fs[], int i, float max ) {
 float old = fs[i];
 while( max > old && !_unsafe.compareAndSwapInt(fs,rawIndex(fs,i), Float.floatToRawIntBits(old), Float.floatToRawIntBits(max) ) )
  old = fs[i];
}
static public String toString( float fs[] ) {